Perform the indicated operation.
A. 21
B. -21
C. 
D. - 
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Mathematics
Perform the requested operation on the given function.f(x) = 4 - 2x, g(x) = -7x + 2Find (f + g)(x).
A. 5x + 6 B. -9x + 6 C. -7x + 4 D. -3x
Mathematics
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a8 when a = -3, r = 2.
A. -768 B. 11 C. -384 D. -380
Mathematics
Multiply and simplify.-6p ? 
A. 36p B. -1 C. 0 D. 1
Mathematics